40压力平焊法兰尺寸对照表
时间:2020-06-15 21:09 点击次数:
HG/T20592-2009板式平焊法兰PN40压力尺寸对照表
平焊法兰形式图
规格型号 |
英寸 |
钢管外径 |
钢管外径 |
法兰外径 |
螺栓孔中心距 |
螺栓孔直径 |
螺栓数量 |
螺栓型号 |
法兰厚度 |
内径 |
内径 |
焊接坡口宽度 |
DN |
NPS |
A系列 |
B系列 |
D |
K |
L |
n |
Th |
C |
A系列 |
B系列 |
b |
DN10 |
- |
17.2 |
14 |
90 |
60 |
14 |
4 |
M12 |
14 |
18 |
15 |
4 |
DN15 |
1/2 |
21.3 |
18 |
95 |
65 |
14 |
4 |
M12 |
14 |
22.5 |
19 |
4 |
DN20 |
3/4 |
26.9 |
25 |
105 |
75 |
14 |
4 |
M12 |
16 |
27.5 |
26 |
4 |
DN25 |
1 |
33.7 |
32 |
115 |
85 |
14 |
4 |
M12 |
16 |
34.5 |
33 |
5 |
DN32 |
1-1/4 |
42.4 |
38 |
140 |
100 |
18 |
4 |
M16 |
18 |
43.5 |
39 |
5 |
DN40 |
1-1/2 |
48.3 |
45 |
150 |
110 |
18 |
4 |
M16 |
18 |
49.5 |
46 |
5 |
DN50 |
2 |
60.3 |
57 |
165 |
125 |
18 |
4 |
M16 |
20 |
61.5 |
59 |
5 |
DN65 |
2-1/2 |
76.1 |
76 |
185 |
145 |
18 |
8 |
M16 |
22 |
77.5 |
78 |
6 |
DN80 |
3 |
88.9 |
89 |
200 |
160 |
18 |
8 |
M16 |
24 |
90.5 |
91 |
6 |
DN100 |
4 |
114.3 |
108 |
235 |
190 |
22 |
8 |
M20 |
26 |
116 |
110 |
6 |
DN125 |
5 |
139.7 |
133 |
270 |
220 |
26 |
8 |
M24 |
28 |
143.5 |
135 |
6 |
DN150 |
6 |
168.3 |
159 |
300 |
250 |
26 |
8 |
M24 |
30 |
170.5 |
161 |
6 |
DN200 |
8 |
219.1 |
219 |
375 |
320 |
30 |
12 |
M27 |
36 |
221.5 |
222 |
8 |
DN250 |
10 |
273 |
273 |
450 |
385 |
33 |
12 |
M30 |
42 |
276.5 |
276 |
10 |
DN300 |
12 |
323.9 |
325 |
515 |
450 |
33 |
16 |
M30 |
48 |
328 |
328 |
11 |
DN350 |
14 |
355.6 |
377 |
580 |
510 |
36 |
16 |
M33 |
54 |
360 |
381 |
12 |
DN400 |
16 |
406.4 |
426 |
660 |
585 |
39 |
16 |
N36*3 |
60 |
411 |
430 |
12 |
DN450 |
18 |
457 |
480 |
685 |
610 |
39 |
20 |
M36*3 |
66 |
462 |
485 |
12 |
DN500 |
20 |
508 |
530 |
755 |
670 |
42 |
20 |
M39*3 |
72 |
513.5 |
535 |
12 |
DN600 |
24 |
610 |
630 |
890 |
795 |
48 |
20 |
M45*3 |
84 |
616.5 |
636 |
12 |
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